Stonepeak and Canada Pension Plan Investment Board plan an open offer to buy up to 26% of Castrol India, at 194.04 rupees per share. The price sits around 2.5% above the latest closing level, signalling a modest control premium rather than a speculative bet.
- The offer follows BP’s agreement to sell a 65% interest in Castrol to Stonepeak for about US$6 billion, with CPP Investments committing up to US$1.05 billion for an indirect minority stake.
- The overall deal values the Castrol business at roughly US$10.1 billion and leaves BP with a 35% minority interest in the global lubricants unit.
Under Indian takeover rules, crossing 25% ownership in a listed firm forces a mandatory open offer for at least an extra 26%, creating a path to a 51% majority if fully subscribed. In Castrol India’s case, Stonepeak would effectively control the 51% stake that Castrol currently holds, while the public float becomes the focus of the premium offer.
Strategic logic for BP, Stonepeak and CPP
BP has long treated Castrol as a cash‑generating consumer brand inside its downstream portfolio, but is now using the sale to recycle capital and simplify its business mix. The Castrol disposal fits into BP’s broader plan to divest around US$20 billion of assets by 2027 to reduce debt and refocus on core oil and gas operations.
For Stonepeak and CPP Investments, Castrol offers:
- Defensive cash flows
Lubricants are classed as mission‑critical products for vehicles, industry and machinery, making volumes relatively resilient through cycles. - Global scale and brand
Castrol operates blending plants and third‑party facilities across over 150 countries, supported by a workforce of several thousand and a 126‑year brand history. - Transition upside
Management and investors highlight new demand pockets, including electric vehicle fluids, data‑centre cooling and industrial efficiency solutions, where high‑performance lubricants and thermal fluids support energy and digital infrastructure.
CPP’s sustainable energies team frames the deal as backing “essential” infrastructure in the energy and industrial economy that can still grow as systems electrify and digitise. Stonepeak, which typically targets infrastructure and real‑asset platforms, gains a global operating company with embedded distribution into automotive, industrial and emerging EV ecosystems.
What it means for Castrol India investors
For Indian shareholders, the central near‑term question is whether to tender shares into the open offer or stay invested under the new ownership structure.
Key factors:
- Offer valuation
The 194.04‑rupee offer price is only slightly above the pre‑announcement market level, implying the market had already priced in much of Castrol India’s growth and brand strength. - Control dynamics
If Stonepeak and CPPIB secure both the 51% indirect stake and a material part of the 26% open offer float, they could hold a dominant majority, increasing flexibility on capital allocation and strategic direction. - Regulatory timeline
The open offer to Castrol India public shareholders is linked to completion of the global Castrol transaction, which is expected to close by the end of 2026, subject to approvals. UBS Securities India has been named as manager to the mandatory tender offer under Indian takeover rules.
For long‑term investors, the bigger story is whether private‑equity‑backed ownership accelerates product launches, EV‑focused fluids and partnerships in India’s growing mobility market, rather than just extracting dividends. Castrol India already produces advanced EV greases and transmission fluids and maintains a deep distribution footprint with hundreds of distributors and about 100,000 retail outlets.
Castrol’s growth angle: beyond combustion engines
Castrol’s portfolio has long been linked to internal‑combustion vehicles, but management and new investors emphasise growth in areas aligned with energy transition and digital infrastructure.
- Automotive and EV
Castrol continues to sell mainstream brands like EDGE, MAGNATEC and CRB, while expanding EV‑specific lubricants, coolants and greases for hybrid and fully electric platforms. - Industrial and data‑centre demand
Lubricants, thermal fluids and specialty products support factories, wind energy assets and data‑centre infrastructure, tapping into structural trends in manufacturing and cloud computing. - Innovation track record
The company’s products have been used in jet aviation, Concorde, space missions and professional racing, underlining a history of engineering‑led product development that Stonepeak and CPPIB say they want to preserve and scale.
The combination of a private‑equity owner focused on infrastructure‑grade assets and a global pension fund investor signals that Castrol is being repositioned as a long‑duration cash‑flow platform with targeted growth bets in EV and industrial applications.






